#include<bits/stdc++.h>
using namespace std;
int a[100009];
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n,ans,last;
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
    }
    sort(a+1,a+n+1);
    last=1,ans=n;
    for(int i=2;i<=n;i++)
    {
        if(a[i]>a[last])
        {
            last++;
            ans--;
        }
    }
    cout<<ans;
    return 0;
}
